Monthly Climate Summary for  August  1981 at Whipsnade,  Beds
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                                  Dry, sunny, and rather warm -- warmest for five years                       back forward
                         
Overall mean temperature was 16.1 ēC which is +0.2 degC compared with the 1971-2000 average  
Mean day maximum (09-21) was 20.4 ēC which is -0.1 degC compared with the 1971-2000 average  
Mean night minimum (21-09) was 11.8 ēC which is +0.5 degC compared with the 1971-2000 average  
Mean 24hr maximum (09-09) was 20.4 ēC                
Mean 24hr minimum (09-09) was 11.8 ēC                
  Highest day max was 26.5 ēC on  the   5            
  Lowest day max was 14.4 ēC on  the 9            
  Highest night min was 15.7 ēC on  the 15            
  Lowest night min was 7.1 ēC on  the 2            
  Lowest grass min was 0.8 ēC on  the 2            
                         
Total rainfall this month was 36.9 mm which is 67.1 per  cent of the 1971-2000 average    
  Highest daily fall was 25.4 mm on  the 6            
Number of hours with rain was                    
Equiv. TSR rainfall duration was   hrs which is   per  cent of the 1971-2000 average    
  Highest no of wet hrs   hrs on  the              
  Highest duration   hrs on  the              
  Mean rainfall intensity   mm/hr                
                         
Total CS sunshine this month was 194.3 hrs which is 105.0 per  cent of the 1971-2000 average    
Equiv. C/S sunshine total was   hrs which is   per  cent of the 1971-2000 average    
  Highest daily sun was 14.2 hrs on  the 2            
                         
Maximum  snow depth  was 0.0 cm on  the               
                         
Mean sea-level pressure at 09Z 1021.2 mbar which is +5.1 mbar compared with the 1961-1990 average  
  Highest pressure at 09Z 1030.2 mbar on  the 26            
  Lowest  pressure at 09Z 1005.5 mbar on  the 20            
                         
Number of days with:                      
Air Frost 0   0.2mm rain 8   No  sun 4   Snow lying 0    
Grnd Frost 0   1.0mm 5   3h  sun 23   Snow/sleet 0    
Max < 0ēC 0   5mm 1   6h  sun 15   Hail 0    
Max > 10 31   10mm 1   9h  sun 8   Thunder 1    
Max > 20 17   25mm 1   12h sun 7   Fog at 09Z 7    
Max > 30 0         15h sun 0   Gale 0    
                         
Notable events during the month:                  
Remarkable four-day sunless spell 6th-9th;  for much of this time low stratus shrouded the Downs in thick fog                
Thunderstorm 0845-1400 on the 6th